Xc by Liz Claiborne Silver and Blue chain 4 strand Necklace

4 layered strands of chain. Two are blue tone and two are silver tone. There is an Xc mark on the charm that binds them together. I believe this mark is xC axcess by Liz Claiborne jewelry. Please see photos for details and approximate measurements. Preowned costume jewelry may have tarnish, skuffs, mismatched, missing or misshapen parts. B21